package chp09;

public class Test8 {

    public static String a(){
        return "ok";
    }

    public static int add(int a,int b){
        int sum = a+b;
        return sum;
    }


    public static void main(String[] args) {
        String aaa = a();
        System.out.println(aaa);

        System.out.println(add(5,6));
        int x = add(10,2);
        System.out.println(x);
    }
}
